Mathematics, 02.03.2020 17:32 Mariaisagon8446
According to the ``law of sines,'' you always have: b a = sinB sinA Suppose that a and b are pieces of metal which are hinged at C. At first the angle A is π/4 radians=45o and the angle B is π/3 radians = 60o. You then widen A to 46o, without changing the sides a and b. Our goal in this problem is to use the tangent line approximation to estimate the angle B.
Answers: 2
![b*cos A = a*cos B* [ \frac{dB }{dA} ]](/tpl/images/0530/2150/d99f1.png)
π / 4 & 
π / 3 (using radian values for A and B)
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According to the ``law of sines,'' you always have: b a = sinB sinA Suppose that a and b are pieces...
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